CZRUR52C39

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	39V
Tolerance:	±5%
Power - Max:	150mW
Impedance (Max) (Zzt):	90 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 29V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Supplier Device Package:	0603/SOD-523F

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The CZRUR52C39 is a type of Zener Diode specifically designed to provide a stable, predictable, low-voltage reference signal in a variety of electronic circuits. Zener diodes are a type of semiconductor device that allows current to pass in one direction, but prevents it from going in the reverse direction when a predetermined voltage is reached. The CZRUR52C39 is designed for low reverse leakage when used in high power circuits and has a variety of applications, including: stabilizing regulated power supplies, protecting against overvoltage damage, controlling current flow in switching relays, and as a reference in measuring low-level voltages.

Working Principle

Zener diodes are usually constructed from heavily doped semiconductor materials such as silicon, germanium, or gallium arsenide. This allows them to achieve breakdown voltages as low as 2.4 volts. The CZRUR52C39 is a 3.9 volt Zener diode, meaning it is designed to allow current to pass in the forward direction, but will not allow current to flow in the reverse direction until the voltage rises to 3.9 volts. This voltage level is known as the "zener voltage" or breakdown voltage.When the voltage rises above 3.9 volts, the diode breaks down and allows current to flow in the reverse direction. This results in a current flowing through the diode in the reverse direction, which stabilizes the voltage at 3.9 volts. This allows the CZRUR52C39 to provide a stable and predictable reference signal in electronic circuits.

Application Field

The CZRUR52C39 has a variety of applications, including: stabilizing regulated power supplies, protecting against overvoltage damage, controlling current flow in switching relays, as well as being used as a reference in measuring low-level voltages. In regulated power supplies, the CZRUR52C39 can be used to stabilize the output voltage. This is done by connecting the diode between the supply voltage and the ground reference, forming a feedback loop. When the voltage exceeds 3.9 volts, the diode conducts and causes the voltage to drop back down to the required level. The CZRUR52C39 can also be used to protect sensitive components in a circuit from damage caused by excess voltage. The diode can be connected in parallel with the component to be protected. When the voltage rises above 3.9 volts, the diode will conduct, dissipating the excess energy and preventing damage to the component. In switching relays, the CZRUR52C39 can be used to control the current flow. This can be done by connecting the diode in parallel with the relay coil, and then connecting the diode to a source of regulated voltage. This will cause the diode to turn on and off as the relay is activated, controlling the amount of current that flows through the coil. Finally, the CZRUR52C39 can be used as a reference in low-level voltage measuring circuits. This is done by connecting the diode between the voltage source and the ground reference, allowing the voltage to be measured relative to the reference voltage. Overall, the CZRUR52C39 is a useful and versatile device, capable of providing a stable and predictable reference voltage in a variety of applications.

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